package operations;

public class Lifo{
	
	public final static String addNode = "ADD_NODE";
	public final static String delNode = "DEL_NODE";
	public final static String editNode = "EDIT_NODE";
	public final static String addArc = "ADD_ARC";
	public final static String delArc = "DEL_ARC";
	public final static String editArc = "EDIT_ARC";
	
	
	private Object object;
	private String event;
	
	public Lifo(){
		object = null;
		event = null;
	}
	
	public Lifo(Object obj, String e){
		object = obj;
		event = e;
	}
	
	public Object getObj(){
		return object;
	}
	
	public String getEvent(){
		return event;
	}
}
